# Zoom-app-context header

**URL:** <https://devforum.zoom.us/t/zoom-app-context-header/78660>\
**Category:** App Marketplace\
**Created:** [November 11, 2022, 9:36am UTC](https://devforum.zoom.us/t/zoom-app-context-header/78660 "2022-11-11T09:36:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kumaranps](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/kumaranps/32/42739_2.png) [@kumaranps](https://devforum.zoom.us/u/kumaranps)\
**Post date:** [November 11, 2022, 9:36am UTC](https://devforum.zoom.us/t/zoom-app-context-header/78660/1 "2022-11-11T09:36:10Z")

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Hi , I have gone through the decryption of zoom-app-context headers in zoom-app-advanced-sample-react from github.  
It follows a AES-GCM decryption. The decryption requires some parameters like aad, tag etc. Is there any way of getting these parameters and achieve decryption in java language ?

 ![Screenshot from 2022-11-11 15-05-07](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/4/9/497be8c6014d58f14e82e555e1d2c926dce08e6f.png)

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**Author:** ![kumaranps](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/kumaranps/32/42739_2.png) [@kumaranps](https://devforum.zoom.us/u/kumaranps)\
**Post date:** [December 1, 2022, 8:28am UTC](https://devforum.zoom.us/t/zoom-app-context-header/78660/2 "2022-12-01T08:28:44Z")

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Hi, anyone here to support ?

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [December 11, 2022, 7:36pm UTC](https://devforum.zoom.us/t/zoom-app-context-header/78660/3 "2022-12-11T19:36:53Z")

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